,Chapter 01: Introduction to Restorative Dental Materials Powe
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rs: Dental Materials, 11th Edition
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MULTIPLE CHOICE g5
1. What causes caries?
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a. Food debris g5
b. Materia alba g5
c. Acidic foodstuff g5
d. Bacterial plaque g5
e. Salivary glycoproteins g5
ANS: g 5 D
Feedback
A Food debris does not have the structural organization of bacterial plaque biofi
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
lm.
B Materia alba does not have the structural organization of bacterial plaque biof
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
ilm.
C Acidic foodstuff lowers pH and may demineralize teeth but does not directly
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
cause decay. g5
D Caries is caused by biofilm; also known as bacterial plaque.
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E Salivary glycoproteins form the acquired enamel pellicle to which bacteria ad
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here.
DIF: Knowledge REF: p. 1 OBJ: 2 g5g5 g 5 g 5 g 5 g 5
TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation of M
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aterials
2. Caries is most likely to occur on which of the following tooth surfaces?
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a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C and D are both correct.
g5 g5 g5 g5 g5
ANS: g 5 E
Feedback
A Buccal surfaces are also susceptible to caries; however, there is less surface area
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
g5left unchecked. g5
B Lingual surfaces are also susceptible to caries; however, there is less surface a
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rea left unchecked.
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C Caries is most likely to occur in pits and fissures on the occlusal surface and on
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g
5interproximal tooth surfaces where plaque accumulates unchecked.
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D Caries is most likely to occur in pits and fissures on the occlusal surface and on
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5interproximal tooth surfaces where plaque accumulates unchecked.
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, E Caries is most likely to occur in pits and fissures on the occlusal surface and on
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g
interproximal tooth surfaces where plaque accumulates unchecked.
5 g5 g5 g5 g5 g5 g5
DIF: Knowledge REF: p. 1 OBJ: 2 g5g5 g 5 g 5 g 5 g 5
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, in
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
cluding but not limited to a. amalgam, c. composites
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
g 5 g5 g5 g5 g5 g5 g5 g5
3. Which of the following is an intracoronal restoration?
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a. Ceramic–alloy crown on tooth number 21 g5 g5 g5 g5 g5
b. Ceramic veneer on tooth number 8 g5 g5 g5 g5 g5
c. Ceramic onlay on tooth number 30 g5 g5 g5 g5 g5
d. Ceramic inlay on tooth number 14 g5 g5 g5 g5 g5
ANS: g 5 D
Feedback
A The alternate choices are all extracoronal restorations used to repair the external
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.
B The alternate choices are all extracoronal restorations used to repair the external
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.
C The alternate choices are all extracoronal restorations used to repair the external
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
.
D A ceramic inlay on tooth number 14 is an example of an intracoronal restoratio
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n, meaning that the restoration is being used to repair damage restricted to the
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
g5internal parts of a tooth. Materials such as amalgam and composite resin are
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
used in addition to ceramic or cast metal.
g5 g5 g5 g5 g5 g5 g5
DIF: Knowledge REF: p. 4 OBJ: 3 g5g5 g 5 g 5 g 5 g 5
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, in
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
cluding but not limited to a. amalgam, c. composites
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
g 5 g5 g5 g5 g5 g5 g5 g5
4. What is the process called where decay is removed from the tooth in order for a restoration
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to be placed?
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a. Cavity preparation g5
b. Convenience form g5
c. Margination
d. Extension
ANS: g 5 A
Feedback
A The process is referred to as cavity preparation. Cavity preparation is used to
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g
remove diseased or damaged tissue and provide a space accessible for restor
5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
ation and one that can stably retain the restoration.
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B Convenience form is a term describing the nature of the cavity preparation.
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C Extension is a term describing the nature of the cavity preparation.
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D Margination is the procedure for finishing the margins of a restoration.
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DIF: Knowledge REF: g5g5 p. g 5 g 5 4 OBJ: g 5 g 5 2
, TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
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5. Which of the following is an example of an intracoronal (direct) restoration?
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a. Laboratory-cured composite g5
b. Dental amalgam g5
c. Ceramic veneer g5
d. Cast crown g5
ANS: g 5 B
Feedback
A Laboratory-
cured composite is a restoration that is constructed away from the patient in the
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g
5dental laboratory. g5
B Dental amalgam is an example of a direct restoration. All of the other restor
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ations are prepared away from the tooth and then cemented or bonded to the t
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ooth using a procedure that is independent of the manufacturer of the restora
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tion.
C Ceramic veneer is a restoration that is constructed away from the patient in the
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dental laboratory. g5
D Cast crown is a restoration that is constructed away from the patient in the de
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ntal laboratory. g5
DIF: Knowledge REF: p. 4 OBJ: 3 g5g5 g 5 g 5 g 5 g 5
TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
g 5 g5 g5 g5 g5 g5 g5 g5
6. Which of the following is an example of an extracoronal restoration? Choose all that apply.
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a. Ceramic inlay g5
b. Ceramic–alloy crown g5
c. Porcelain jacket crown g5 g5
d. A, B, and C
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e. A and C
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ANS: g 5 D
Feedback
A All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
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ations.
B All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
g5 g5 g5 g5 g5
ations.
C All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
g5 g5 g5 g5 g5
ations.
D All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
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ations.
E All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
g5 g5 g5 g5 g5
ations.
DIF: Knowledge REF: g5g5 p. g 5 g 5 5 OBJ: g 5 g 5 3
g5 g5 g5 g5 g5 g5 g5
rs: Dental Materials, 11th Edition
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MULTIPLE CHOICE g5
1. What causes caries?
g5 g5
a. Food debris g5
b. Materia alba g5
c. Acidic foodstuff g5
d. Bacterial plaque g5
e. Salivary glycoproteins g5
ANS: g 5 D
Feedback
A Food debris does not have the structural organization of bacterial plaque biofi
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
lm.
B Materia alba does not have the structural organization of bacterial plaque biof
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
ilm.
C Acidic foodstuff lowers pH and may demineralize teeth but does not directly
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
cause decay. g5
D Caries is caused by biofilm; also known as bacterial plaque.
g5 g5 g5 g5 g5 g5 g5 g5 g5
E Salivary glycoproteins form the acquired enamel pellicle to which bacteria ad
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
here.
DIF: Knowledge REF: p. 1 OBJ: 2 g5g5 g 5 g 5 g 5 g 5
TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation of M
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
aterials
2. Caries is most likely to occur on which of the following tooth surfaces?
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a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C and D are both correct.
g5 g5 g5 g5 g5
ANS: g 5 E
Feedback
A Buccal surfaces are also susceptible to caries; however, there is less surface area
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
g5left unchecked. g5
B Lingual surfaces are also susceptible to caries; however, there is less surface a
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
rea left unchecked.
g5 g5
C Caries is most likely to occur in pits and fissures on the occlusal surface and on
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g
5interproximal tooth surfaces where plaque accumulates unchecked.
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D Caries is most likely to occur in pits and fissures on the occlusal surface and on
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g
5interproximal tooth surfaces where plaque accumulates unchecked.
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, E Caries is most likely to occur in pits and fissures on the occlusal surface and on
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g
interproximal tooth surfaces where plaque accumulates unchecked.
5 g5 g5 g5 g5 g5 g5
DIF: Knowledge REF: p. 1 OBJ: 2 g5g5 g 5 g 5 g 5 g 5
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, in
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
cluding but not limited to a. amalgam, c. composites
g5 g5 g5 g5 g5 g5 g5 g5
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
g 5 g5 g5 g5 g5 g5 g5 g5
3. Which of the following is an intracoronal restoration?
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a. Ceramic–alloy crown on tooth number 21 g5 g5 g5 g5 g5
b. Ceramic veneer on tooth number 8 g5 g5 g5 g5 g5
c. Ceramic onlay on tooth number 30 g5 g5 g5 g5 g5
d. Ceramic inlay on tooth number 14 g5 g5 g5 g5 g5
ANS: g 5 D
Feedback
A The alternate choices are all extracoronal restorations used to repair the external
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
.
B The alternate choices are all extracoronal restorations used to repair the external
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
.
C The alternate choices are all extracoronal restorations used to repair the external
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
.
D A ceramic inlay on tooth number 14 is an example of an intracoronal restoratio
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
n, meaning that the restoration is being used to repair damage restricted to the
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
g5internal parts of a tooth. Materials such as amalgam and composite resin are
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
used in addition to ceramic or cast metal.
g5 g5 g5 g5 g5 g5 g5
DIF: Knowledge REF: p. 4 OBJ: 3 g5g5 g 5 g 5 g 5 g 5
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, in
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
cluding but not limited to a. amalgam, c. composites
g5 g5 g5 g5 g5 g5 g5 g5
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
g 5 g5 g5 g5 g5 g5 g5 g5
4. What is the process called where decay is removed from the tooth in order for a restoration
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to be placed?
g5 g5 g5
a. Cavity preparation g5
b. Convenience form g5
c. Margination
d. Extension
ANS: g 5 A
Feedback
A The process is referred to as cavity preparation. Cavity preparation is used to
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g
remove diseased or damaged tissue and provide a space accessible for restor
5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
ation and one that can stably retain the restoration.
g5 g5 g5 g5 g5 g5 g5 g5
B Convenience form is a term describing the nature of the cavity preparation.
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
C Extension is a term describing the nature of the cavity preparation.
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
D Margination is the procedure for finishing the margins of a restoration.
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
DIF: Knowledge REF: g5g5 p. g 5 g 5 4 OBJ: g 5 g 5 2
, TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
g 5 g5 g5 g5 g5 g5 g5 g5
5. Which of the following is an example of an intracoronal (direct) restoration?
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a. Laboratory-cured composite g5
b. Dental amalgam g5
c. Ceramic veneer g5
d. Cast crown g5
ANS: g 5 B
Feedback
A Laboratory-
cured composite is a restoration that is constructed away from the patient in the
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g
5dental laboratory. g5
B Dental amalgam is an example of a direct restoration. All of the other restor
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
ations are prepared away from the tooth and then cemented or bonded to the t
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
ooth using a procedure that is independent of the manufacturer of the restora
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
tion.
C Ceramic veneer is a restoration that is constructed away from the patient in the
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
dental laboratory. g5
D Cast crown is a restoration that is constructed away from the patient in the de
g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
ntal laboratory. g5
DIF: Knowledge REF: p. 4 OBJ: 3 g5g5 g 5 g 5 g 5 g 5
TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
g 5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5 g5
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
g 5 g5 g5 g5 g5 g5 g5 g5
6. Which of the following is an example of an extracoronal restoration? Choose all that apply.
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a. Ceramic inlay g5
b. Ceramic–alloy crown g5
c. Porcelain jacket crown g5 g5
d. A, B, and C
g5 g5 g5
e. A and C
g5 g5
ANS: g 5 D
Feedback
A All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
g5 g5 g5 g5 g5
ations.
B All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
g5 g5 g5 g5 g5
ations.
C All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
g5 g5 g5 g5 g5
ations.
D All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
g5 g5 g5 g5 g5
ations.
E All three restorations involve lab procedures
g5 g5 g5 g5 g5 g5 and are examples of indirect restor
g5 g5 g5 g5 g5
ations.
DIF: Knowledge REF: g5g5 p. g 5 g 5 5 OBJ: g 5 g 5 3
